<!DOCTYPE html>

<html>
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="//unpkg.com/element-ui@2.10.1/lib/theme-chalk/index.css">
    <script src="//unpkg.com/vue/dist/vue.js"></script>
    <script src="//unpkg.com/element-ui@2.10.1/lib/index.js"></script>
</head>
<body>
<div id="app">
    <el-menu :default-active="activeIndex2"
             class="el-menu-demo"
             mode="horizontal"
             @select="handleSelect"
             background-color="#545c64"
             text-color="#fff"
             active-text-color="#ffd04b">
        <el-menu-item index="1">处理中心</el-menu-item>
        <el-submenu index="2">
            <template slot="title">我的工作台</template>
            <el-menu-item index="2-1">选项1</el-menu-item>
            <el-menu-item index="2-2">选项2</el-menu-item>
            <el-menu-item index="2-3">选项3</el-menu-item>
            <el-submenu index="2-4">
                <template slot="title">选项4</template>
                <el-menu-item index="2-4-1">选项1</el-menu-item>
                <el-menu-item index="2-4-2">选项2</el-menu-item>
                <el-menu-item index="2-4-3">选项3</el-menu-item>
            </el-submenu>
        </el-submenu>
        <el-menu-item index="3">消息中心</el-menu-item>
        <el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
    </el-menu>
</div>
<script>
    var Main = {
        data() {
            return {
                activeIndex2: '1'
            };
        },
        methods: {
            handleSelect(key, keyPath) {
                console.log(key, keyPath);
            }
        }
    }
    var Ctor = Vue.extend(Main)
    new Ctor().$mount('#app')
</script>
</body>
</html>